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Generate atom bindings for msvc

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This commit is contained in:
Xidorn Quan 2016-07-12 19:28:29 +10:00
parent 3c3c32f95e
commit af3833d674
5 changed files with 16519 additions and 4701 deletions
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6
ports/geckolib/Cargo.lock generated
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@ -44,6 +44,11 @@ name = "bitflags"
version = "0.7.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "cfg-if"
version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "cssparser"
version = "0.5.6"
@ -291,6 +296,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
name = "string_cache"
version = "0.2.20"
dependencies = [
"cfg-if 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
"gecko_bindings 0.0.1",
"heapsize 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
"libc 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)",

1
ports/geckolib/string_cache/Cargo.toml
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@ -15,6 +15,7 @@ unstable = []
heap_size = []
[dependencies]
cfg-if = "0.1.0"
gecko_bindings = {version = "0.0.1", path = "../gecko_bindings"}
heapsize = "0.3.5"
libc = "0.2"

21166
ports/geckolib/string_cache/atom_macro.rs
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File diff suppressed because it is too large Load diff

2
ports/geckolib/string_cache/lib.rs
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@ -2,6 +2,8 @@
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#[macro_use]
extern crate cfg_if;
extern crate gecko_bindings;
extern crate heapsize;
extern crate serde;

45
ports/geckolib/string_cache/regen_atom_macro.py
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@ -15,22 +15,57 @@ def line_to_atom(line):
return (result.group(1), result.group(2))
def symbolify(ident):
def map_atom(ident):
if ident in {"box", "loop", "match", "mod", "ref",
"self", "type", "use", "where", "in"}:
return ident + "_"
return ident
def gnu_symbolify(ident):
return "_ZN9nsGkAtoms" + str(len(ident)) + ident + "E"
def msvc64_symbolify(ident):
return "?" + ident + "@nsGkAtoms@@2PEAVnsIAtom@@EA"
def msvc32_symbolify(ident):
return "?" + ident + "@nsGkAtoms@@2PAVnsIAtom@@A"
def write_items(f, func):
f.write(" extern {\n")
for atom in atoms:
f.write(TEMPLATE.format(name=map_atom(atom[0]),
link_name=func(atom[0])))
f.write(" }\n")
with open(objdir_path + "/dist/include/nsGkAtomList.h") as f:
lines = [line for line in f.readlines() if line.startswith("GK_ATOM")]
atoms = [line_to_atom(line) for line in lines]
with open("atom_macro.rs", "w") as f:
TEMPLATE = """
#[link_name = "{link_name}"]
pub static {name}: *mut nsIAtom;
"""[1:]
with open("atom_macro.rs", "wb") as f:
f.write("use gecko_bindings::structs::nsIAtom;\n\n")
f.write("use Atom;\n\n")
f.write("pub fn unsafe_atom_from_static(ptr: *mut nsIAtom) -> Atom { unsafe { Atom::from_static(ptr) } }\n\n")
for atom in atoms:
f.write('extern { pub static %s: *mut nsIAtom; }\n' % symbolify(atom[0]))
f.write("cfg_if! {\n")
f.write(" if #[cfg(not(target_env = \"msvc\"))] {\n")
write_items(f, gnu_symbolify)
f.write(" } else if #[cfg(target_pointer_width = \"64\")] {\n")
write_items(f, msvc64_symbolify)
f.write(" } else {\n")
write_items(f, msvc32_symbolify)
f.write(" }\n")
f.write("}\n\n")
f.write("#[macro_export]\n")
f.write("macro_rules! atom {\n")
f.writelines(['("%s") => { $crate::atom_macro::unsafe_atom_from_static($crate::atom_macro::%s) };\n'
% (atom[1], symbolify(atom[0])) for atom in atoms])
% (atom[1], map_atom(atom[0])) for atom in atoms])
f.write("}\n")